Python Dictionary and List

What is the difference between a list and a dictionary in Python?

• In a list, elements are accessed by their position (index), while in a dictionary, elements are accessed by keys.

• Dictionaries are ordered collections, while lists are unordered.

• Lists can only store integers, while dictionaries can store any data type.

• In a list, elements are accessed by keys, while in a dictionary, elements are accessed by their position (index).

How do you access an element in a list by its index?

• myList(index)

• myList{index}

• myList[index]

• myList.index

What is the syntax to create an empty dictionary in Python?

• my_dict = {}

• my_dict = []

• my_dict = dict()

• my_dict = set()

Can a list contain elements of different data types in Python?

• Sometimes

• Yes

• Rarely

• No

How do you add a key-value pair to a dictionary in Python?

• dictionary_name[key, value]

• dictionary_name.add(key, value)

• dictionary_name.insert(key, value)

• dictionary_name[key] = value

What is the method to remove the last element from a list in Python?

• list_name.pop(-1)

• list_name.remove(-1)

• list_name.delete(-1)

• list_name.pop()

What happens if you try to access a key that does not exist in a dictionary?

• ValueError

• KeyError

• AttributeError

• TypeError

How do you check if a key exists in a dictionary in Python?

• key not in dictionary

• dictionary[key]

• dictionary.has_key(key)

• key in dictionary

What is the method to check the length of a list in Python?

• len(list_name)

• list_name.size()

• list_name.length()

• list_name.count()

What is the correct way to iterate over a dictionary in Python?

• for key in dictionary.keys():

• for key, value in dictionary.items():

• for key in dictionary:

• for value in dictionary.values():